EP3415772A1 - Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite - Google Patents

Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite Download PDF

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Publication number
EP3415772A1
EP3415772A1 EP17175456.7A EP17175456A EP3415772A1 EP 3415772 A1 EP3415772 A1 EP 3415772A1 EP 17175456 A EP17175456 A EP 17175456A EP 3415772 A1 EP3415772 A1 EP 3415772A1
Authority
EP
European Patent Office
Prior art keywords
component
polymer composition
attachment
sandwich component
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17175456.7A
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German (de)
English (en)
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EP3415772B1 (fr
Inventor
Thomas Wolf
Patrick Steiner
Marcel Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nolax AG
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Nolax AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nolax AG filed Critical Nolax AG
Priority to EP17175456.7A priority Critical patent/EP3415772B1/fr
Priority to CN201880038921.3A priority patent/CN110730873B/zh
Priority to US16/620,551 priority patent/US20210146673A1/en
Priority to PCT/EP2018/065024 priority patent/WO2018228914A1/fr
Publication of EP3415772A1 publication Critical patent/EP3415772A1/fr
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Publication of EP3415772B1 publication Critical patent/EP3415772B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/01—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening elements specially adapted for honeycomb panels

Definitions

  • the invention relates to a method for connecting an attachment to a sandwich component, the use of a polymer composition and a composite component according to the preambles of the independent claims.
  • the sandwich design refers to a form of lightweight construction, in which the components consist of force-absorbing solid cover layers, which are held by a relatively soft, usually lightweight, core material (intermediate layer) at a distance. These parts are very flexible and bulky at low weight. Their calculation is made in the construction industry according to the linear sandwich theory.
  • the core may for example consist of paper honeycomb, metal honeycombs, in particular aluminum honeycomb, foams, for example hard foam, mineral wool or balsa wood. It transmits occurring shear forces and supports the cover layers. Often the heat-insulating and acoustic insulation properties of the very light core materials are used.
  • cover layers are, inter alia, sheet metal, metals such as aluminum, chromium-nickel / galvanized steel, fiber composites; Plastics such as polypropylene (PP), polyvinyl chloride (PVC), polysulfone (PS), polyurethane (PUR); fiber reinforced plastics such as glass fiber reinforced plastic (GRP), aramid, carbon fiber reinforced plastic (CFRP); Wood-based materials such as (barrier) wood, high-density fibreboard (HDF); mineral materials, in particular glass; Stone used. Often, force introduction points are provided with reinforcements.
  • PP polypropylene
  • PVC polyvinyl chloride
  • PS polysulfone
  • PUR polyurethane
  • fiber reinforced plastics such as glass fiber reinforced plastic (GRP), aramid, carbon fiber reinforced plastic (CFRP); Wood-based materials such as (barrier) wood, high-density fibreboard (HDF); mineral materials, in particular glass; Stone used. Often, force introduction points are provided with reinforcements.
  • the invention relates to a method for connecting an attachment with a sandwich component.
  • the method includes the step of providing a sandwich component.
  • the sandwich component comprises a first main surface with a first cover layer and a second main surface with a second cover layer, in particular a first cover plate and a second cover plate.
  • the first cover layer and / or the second cover layer has / have at least one opening.
  • the sandwich component comprises at least one intermediate layer, wherein the intermediate layer is positioned between the first cover layer and the second cover layer.
  • the intermediate layer thus has a thickness which corresponds to the distance between the first cover layer and the second cover layer.
  • the method comprises the steps of providing an attachment with at least one first filling opening and the joining of the attachment to the sandwich component.
  • the joining takes place such that the first filling opening of the attachment and the at least one opening of the sandwich component are arranged to communicate.
  • a curable polymer composition is introduced into the at least one opening of the sandwich component via the first fill opening of the attachment, such that the attachment and the sandwich component are bonded together after curing of the polymer composition by the polymer composition.
  • the main surfaces of the sandwich component are the flat sides, which are not formed by the intermediate layer.
  • the main surfaces thus correspond to the surfaces of the cover layers, which point away from the intermediate layer.
  • connection of a sandwich component with an attachment is made possible without additional connecting means, such as screws, and still a solid composite shapes.
  • the polymer composition can be injected, for example. Automated processes are possible.
  • the physical properties of the force application point and thus of the component can be optimized.
  • the hardness and elasticity properties can be adjusted within a connection point in order to achieve an optimized force introduction into the component structures. This is particularly advantageous for dynamic loads.
  • the polymer composition is introduced in such a way that the polymer composition protrudes particularly deep into the intermediate layer, ie, reaches particularly close to the opposite cover layer. This creates an anchorage of the cured polymer composition in the sandwich component.
  • the anchoring preferably extends through at least 10% of the thickness of the intermediate layer.
  • first cover layer and the second cover layer each have at least one opening and the at least one opening of the first cover layer and the at least one opening of the second cover layer are arranged communicating with at least one filling opening of the attachment.
  • the first filling opening can open into a cavity between the attachment and the sandwich component.
  • the cavity is formed when the two components are joined and is formed by the at least one filling opening in the attachment and the at least one opening in the sandwich component.
  • the cavity can be filled with the introduction of the polymer composition via the filling opening with the polymer composition.
  • the attachment has more than one filling opening.
  • the plurality of filling openings can open into one and the same cavity and be arranged communicating with an opening in the sandwich component.
  • a filling opening of the attachment is arranged to communicate with two or more openings in the sandwich component.
  • the openings in the sandwich component can be arranged in the first cover layer and / or the second cover layer.
  • a plurality of cavities to be formed between the sandwich component and the attachment during joining, and in each case a filling opening opens into one of the cavities.
  • the cavity allows the joining of the components via adhesive surfaces of the components by bonding by means of a polymer composition.
  • the curable polymer composition is preferably an adhesive, especially a two-component adhesive.
  • the polymer composition may be disclosed in accordance with the formulations disclosed in U.S. Pat EP 2 589 478 A1 to get voted. These are incorporated by reference.
  • the polymer composition is an adhesive having the following properties.
  • the adhesive is preferably a fast-curing two-component adhesive based on polyurea as in EP 1 958 975 B1 or EP 2 871 194 described. These are incorporated by reference.
  • the polymer composition comprises an isocyanate-containing component A and an amine-containing component B.
  • the component A contains an isocyanate-terminated prepolymer having an isocyanate functionality of ⁇ 1.7, preferably 1.7 ⁇ F NCO ⁇ 3, more preferably in the range of 2 to 3.
  • the component B contains at least one di- and / or polyamine, preferably a polyether diamine and / or polyetherpolyamine.
  • the stoichiometric ratio of isocyanate groups in component A to amine groups in component B in this case is 0.5 to 1.2, more preferably 1.
  • the polymer composition particularly preferably comprises a first component A and a second component B.
  • Component A contains a monomeric polyisocyanate, in particular monomeric diisocyanate, and an isocyanate-terminated prepolymer and / or a prepolymer mixture having an isocyanate functionality ⁇ 1.7, preferably in the range of 1.7 ⁇ f NCO ⁇ 3, more preferably in the range of 2 ⁇ f NCO ⁇ 3.
  • the second component B contains a di- and / or polyamine, in particular a polyether diamine and / or a polyetherpolyamine; and a trimerization catalyst.
  • the stoichiometric ratio of isocyanate groups in the first Component A to isocyanate-reactive hydrogen atoms contained in the composition in the second component B is 7.5 to 25, preferably 10 to 20, particularly preferably 15.
  • a two-component polymer composition is used, wherein in a first step via a reaction of im Excess existing monomeric polyisocyanate (especially the diisocyanate) with the polyamine a second prepolymer is formed. This reaction is highly exothermic.
  • the isocyanate-terminated prepolymer of component A is crosslinked by amines provided in component B.
  • the polymer composition has both higher tensile strength and heat resistance and higher impact strength on other high strength adhesives such as epoxy resins.
  • thermosetting to curing liquid adhesives based on polyurethane, epoxy or acrylate
  • the adhesive is referred to as liquid in the intended application state at a viscosity of ⁇ 10000 mPas, preferably ⁇ 300 mPas, ideally ⁇ 100 mPas (measured in the mixing head of the applicator at 35 ° C-65 ° C, preferably 50 ° C and a pressure of 70 -140 bar, preferably 100 bar).
  • This mixed viscosity can be further optimized by selecting the temperature of the components.
  • the viscosity was determined by the Brookfield method with spindle 4 and a rotation speed of 20 rpm.
  • Curing in this context refers to the chemical solidification of the adhesive by polymerization, condensation and addition.
  • a fast becomes especially chemical setting, structurally resilient polymer composition.
  • a polymer composition is introduced, which is structurally resilient after solidification and in particular non-expanding. Due to the exothermic properties of the polymer composition, the intermediate layer and / or existing adhesive layers of the sandwich component can be partially melted when the polymer composition is reacted. Thus, the anchoring of the polymer composition is improved.
  • the curable polymer composition may have a pot life in the range of 1 to 15 seconds, preferably 2 to 10 seconds, more preferably 3 to 7 seconds.
  • Such a polymer composition has the advantage that the composite of sandwich component and attachment can be processed immediately or used according to the intended use, since the polymer composition has the necessary strength in a very short time. For example, a resilient connection can be made with another component.
  • the polymer composition may form a cohesive, ie adhesive, and / or positive and / or non-positive connection.
  • the cohesive connection is preferred formed between the polymer composition and the intermediate layer and / or the first cover layer and / or the second cover layer after the polymer composition has cured. Also by this design particularly strong forces are introduced and derived on the cover layers.
  • the polymer composition can form an undercut in the sandwich component.
  • the undercut is preferably formed on the first cover layer and / or the second cover layer, particularly preferably on the surface of the first cover layer facing the intermediate layer and / or the second cover layer.
  • the undercut is preferably formed by the polymer composition in the cured state.
  • the polymer composition may have an undercut in the attachment.
  • the undercut is preferably formed by the polymer composition in the cured state.
  • the attachment may be another sandwich component.
  • a positive connection between the polymer composition and the attachment can be formed, so that particularly strong forces can be introduced and discharged to the attachment.
  • the undercuts can be present either in the sandwich component or in the attachment or in both components. If the undercuts are present in both components, they can be used to derive the forces on both components. This allows a higher power consumption.
  • the polymer composition may have a maximum expansion in the sandwich component in a direction parallel to the major surfaces of the sandwich component that is greater than the maximum diameter of the opening of the sandwich component.
  • the maximum extent corresponds to the extent of the polymer composition in the cured state.
  • the extent can be structured or unstructured. "Structured” is understood to mean that the expansion can take on certain forms.
  • the extension may be, for example, star-shaped. Also an oval, rectangular, square, triangular extension is conceivable. But it is also possible that the material of the intermediate layer allows an unstructured expansion. For example, in a loosely packed material, voids may be filled between the material until the polymer cures without forming definite shapes.
  • the polymer composition is optimally anchored in the sandwich component, resulting in a particularly stable and resilient composite of sandwich component and attachment.
  • the opening of the sandwich component can be selected from the group slot, hole, in particular circular hole. These can be introduced mechanically by drilling, milling, punching, slitting, perforating, lasering, grinding, cutting, chemical or thermal. In this case, an opening, a plurality of openings, a plurality of comparatively small openings, which round, square or slot-like configuration. Freeforming is also possible. In this way, the polymer composition can be introduced particularly advantageously into the intermediate layer.
  • the opening By choosing the opening as a non-circular opening, for example as a slot, a connection point is provided, which ensures a positive connection as anti-rotation of the solidified polymer composition. In this way, larger forces can be absorbed.
  • the at least one intermediate layer has a hollow chamber structure.
  • hollow chamber structure can be understood both a chamber and the formation of several chambers.
  • the hollow chamber structure may, for example, honeycombs, waves, pores, ribs, webs, pyramids or cup shapes. But other structures are conceivable.
  • the individual chambers can be filled with a material or with a gas or gas mixture and thus visually "unfilled" present.
  • the chambers may also have alternating filled and unfilled regions. If the chambers are unfilled, the adhesion can take place by means of force and / or form and / or material connection.
  • the material bond can be done chemically via molecular forces and / or physically by bonding to the material surface.
  • the hollow-chamber structure is, for example, a honeycomb structure
  • individual honeycombs can be filled and individual honeycombs contain only one gas or gas mixture, for example air. It is also conceivable that the individual honeycombs are only partially, for example half, filled with a material and the remaining part has a gas mixture, for example air. Similarly, it may behave with the other mentioned hollow chamber structures.
  • the weight of the sandwich component can be reduced while maintaining very high stability.
  • the hollow chamber structures can be filled and unfilled.
  • the material may preferably be selected from cardboard, plastic, metal, fiber composite material, wood material, foam material, fiber material and bulk material made of plastics such as polyvinyl chloride (PVC), polyethylene terephthalate (PET), polymethacrylimide (PMI), expanded polystyrene (EPS ), extruded polystyrene foam (XPS), recycled material, wood materials such as balsa wood, soft fiber, chipboard, fiber material, composite material, chipboard, lightweight solid wood board; Glass; Stone; Metals like aluminum.
  • PVC polyvinyl chloride
  • PET polyethylene terephthalate
  • PMI polymethacrylimide
  • EPS expanded polystyrene
  • XPS extruded polystyrene foam
  • the cover layers of the sandwich component may preferably be selected from metals such as aluminum, chromium-nickel / galvanized steel; Plastics such as polypropylene (PP), polyvinyl chloride (PVC), polysulfone (PS), polyurethane (PUR); fiber reinforced plastics such as glass fiber reinforced plastic (GRP), aramid, carbon fiber reinforced plastic (CFRP); Wood-based materials such as plywood, high-density fibreboard (HDF); mineral materials, in particular glass; stone
  • the attachment may be a plate; a connecting element and / or fastening element; a suspension; an electrical element or a fitting.
  • a plate may for example be an adapter plate or another sandwich component. If it is another sandwich component, this may also have the properties described above.
  • the connecting element and / or fastening element may be a profile, angle, tube, sleeve, nut or fitting.
  • As an electrical element For example, modules, boxes, consoles or light installations are conceivable.
  • the sandwich component is versatile.
  • Another aspect of the invention relates to the use of a polymer composition for bonding an attachment to a sandwich component, preferably in a method as previously described.
  • the polymer composition is preferably a chemically crosslinkable adhesive, in particular a one-component or two-component adhesive, or a hotmelt adhesive, in particular a thermoplastic.
  • the adhesive may be designed as previously stated.
  • the polymer composition comprises an isocyanate-containing component A and an amine-containing component B.
  • the component A contains an isocyanate-terminated prepolymer having an isocyanate functionality of ⁇ 1.7, preferably 1.7 ⁇ f NCO ⁇ 3, more preferably in Range of 2 to 3.
  • Component B contains at least one di- and / or polyamine, preferably a polyether diamine and / or polyether polyamine.
  • the stoichiometric ratio of isocyanate groups in component A to amine groups in component B is preferably 0.5 to 1.2 and more preferably 1.
  • Such a polymer composition has both higher tensile strength compared to conventional polyurethane and polyurea adhesives and heat resistance as well as higher impact resistance than other high strength adhesives such as epoxy resins.
  • Another aspect of the invention relates to a composite component comprising a sandwich component and an attachment.
  • the sandwich component has at least one preformed opening in a first main surface with a first cover layer and / or in a second main surface with a second cover layer.
  • the attachment has a preformed filling opening.
  • the opening of the sandwich component and the filler opening of the attachment are arranged communicatively and connected to each other via a cured polymer composition.
  • the sandwich component and the attachment are preferably configured as set out above.
  • the composite component is obtainable by a method as previously described.
  • Such a composite component can be used in many ways, for example in the field of road traffic, especially for commercial vehicles, cars, commercial vehicles, Formula 1, motorhomes, two / three-wheeled, temporary road surfaces; in the field of rail transport, in particular rail, tram, cable cars; Aviation, in particular aerospace, aircraft, drones, satellites; Marine, in particular Yacht & Superyacht, River, Transportation, Cruise Ships, Oil Rigs, Offshore Plants, Underwater; Construction, in particular facades and roofs, floors, bridges, elevators, escalators, mobile homes; Interior fittings, in particular furniture, ceilings, walls, floors, shopfitting exhibition construction, stage construction, stage construction, display, doors, partitions, doors; Sports, in particular winter sports and water sports; Logistics, in particular containers, tanks, pallets, packaging; Energy, in particular wind energy installations, solar installations; Mechanical engineering, in particular punching tools, coverings, moving parts; Medicine, in particular dental implants, implants, fixations; Defense technology, especially rockets.
  • FIG. 1 shows a sectional view of a composite component 1 comprising a sandwich component 2 and an attachment 3.
  • the sandwich component 2 has a first cover layer 21 and a second cover layer 22. Between the first cover layer 21 and the second cover layer 22, an intermediate layer 23 is arranged.
  • the intermediate layer 23 may be made of a foam material (not shown), for example. consist.
  • the sandwich component 2 has an opening 24 in the first cover layer.
  • the attachment 3 has a filling opening 31.
  • the filling opening 31 and the opening 24 are arranged to communicate, in this case with parallel alignment.
  • Between the filling opening 31 and the opening 24 is a cured polymer composition 4, which was previously injected via the filling opening 31, so that it protrudes through the opening 24 to deep into the intermediate layer 23.
  • the tines 44 of the cured polymer composition 4 are formed by the nature of the intermediate layer and may vary depending on the material of the intermediate layer.
  • FIG. 2 shows the composite component 1 from FIG. 1 with different structure of the intermediate layer 23.
  • the intermediate layer 23 consists of honeycomb 23a. The honeycombs can be filled.
  • FIG. 2A At least the honeycomb into which the cured polymer composition 4 projects is filled.
  • the honeycomb structure W is shown in a plan view, wherein at least the upper cover layer 21 has been removed.
  • the intermediate layer 23 consists of individual waves 23b. Again, at least the wave range in which the cured polymer composition 4 projects, filled.
  • FIG. 3 shows a further inventive composite component 1 in the sectional view, prepared by the inventive method.
  • the sandwich component 2 has the first cover layer 21 and the second cover layer 22 as well as the intermediate layer 23 in the form of honeycombs 23a.
  • the resulting hollow chamber structure is filled with a foam 7.
  • the first cover layer 21 has a plurality of openings 24.
  • an attachment 3 was attached, whereby a cavity 5 between the attachment 3 and sandwich component 2 was formed.
  • the filling opening 31 of the attachment 3 opens into this cavity 5.
  • a polymer composition was added so that the cured polymer composition 4 forms anchors 41 in the sandwich member 2.
  • the sandwich component 2 was frictionally connected by filling the cavity 5 with the polymer composition with the attachment 3.
  • the communicating arrangement between filling opening 31 and opening 24 was generated by the cavity 5, which connects the two together.
  • FIG. 4 shows a further inventive composite component 1, prepared by the inventive method.
  • the attachment 3 and the sandwich component 2 also form a cavity 5 by joining. This cavity 5 is filled via the filling opening 31 with a polymer composition.
  • the first cover layer 21 of the sandwich component 2 has four openings 24, through which the polymer composition has flowed into the intermediate layer 23.
  • the cured polymer composition 4 forms undercuts 42 in the sandwich component 2. These can be produced by drilling, milling, cutting, slitting, perforating, lasering, grinding, chemical or thermal. In most cases, special tools such as cutters, drills or cutters are used for undercuts.
  • the attachment 3 has similar undercuts 43.
  • the hollow-chamber structure of the intermediate layer 23 is formed in this construct by pyramidal chambers 23c.
  • On the attachment component 3 further connecting elements in the form of screws 6 are formed, which serve the attachment of further elements or components (not shown).
  • FIG. 5 shows a further composite component 1, which was produced by the inventive method.
  • the polymer composition 4 was introduced into the sandwich component 2 via the filling opening 31 and the opening 24 such that the cured polymer composition 4 has a maximum extent A max parallel to the main surfaces 25 and 26 of the first cover layer 21 and second cover layer 22 has.
  • the maximum extent A max is greater than the maximum diameter d max of the opening 24 of the sandwich component 2.

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EP17175456.7A 2017-06-12 2017-06-12 Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite Active EP3415772B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17175456.7A EP3415772B1 (fr) 2017-06-12 2017-06-12 Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite
CN201880038921.3A CN110730873B (zh) 2017-06-12 2018-06-07 用于将附加零件连接至夹心部件的方法、聚合物组合物的用途和复合部件
US16/620,551 US20210146673A1 (en) 2017-06-12 2018-06-07 Method for connecting an attachment part to a sandwich component, use of a polymer composition, and composite component
PCT/EP2018/065024 WO2018228914A1 (fr) 2017-06-12 2018-06-07 Procédé d'assemblage d'un élément rapporté à un élément sandwich, utilisation d'une composition polymère et élément composite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17175456.7A EP3415772B1 (fr) 2017-06-12 2017-06-12 Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite

Publications (2)

Publication Number Publication Date
EP3415772A1 true EP3415772A1 (fr) 2018-12-19
EP3415772B1 EP3415772B1 (fr) 2023-11-29

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EP17175456.7A Active EP3415772B1 (fr) 2017-06-12 2017-06-12 Procédé d'assemblage d'un élément constitutif à un composant sandwich, utilisation d'une composition polymère et composant composite

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US (1) US20210146673A1 (fr)
EP (1) EP3415772B1 (fr)
CN (1) CN110730873B (fr)
WO (1) WO2018228914A1 (fr)

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DE19710824C1 (de) * 1997-03-15 1998-09-17 Webasto Systemkomponenten Gmbh Befestigungselement für eine Verbundglasscheibe
DE10155312A1 (de) * 2001-10-23 2003-05-08 Wkw Erbsloeh Automotive Gmbh Verfahren zum Verbinden zweier Werkstücke
EP1503090A1 (fr) * 2003-07-31 2005-02-02 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Procédé de fixation pour structure sandwich
EP1958975B1 (fr) 2007-02-06 2011-07-20 nolax AG Colle à deux composants
EP2589478A1 (fr) 2011-11-07 2013-05-08 nolax AG Procédé de fabrication in situ d'un élément de fixation
EP2871194A1 (fr) 2013-11-12 2015-05-13 nolax AG Colle à deux composants

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CN110730873A (zh) 2020-01-24
US20210146673A1 (en) 2021-05-20
WO2018228914A1 (fr) 2018-12-20
CN110730873B (zh) 2021-10-01
EP3415772B1 (fr) 2023-11-29

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